Senior Software Engineer

Enso Recruitment are proud to be working with a global, technology-driven organisation who are continuing to grow their engineering presence in Belfast.

They are seeking a Senior Software Engineer to join a high-performing team building scalable, enterprise-grade platforms used across international markets.

This is a fantastic opportunity for an experienced engineer who enjoys working across the full stack, contributing to both technical delivery and engineering standards within a collaborative, modern environment.

The Opportunity

You will play a key role in designing, developing, and maintaining high-quality software systems that power critical business platforms. This role offers a balance of hands‑on development, problem‑solving, and technical leadership.

You’ll work closely with cross‑functional teams to deliver new features, improve existing systems, and contribute to architectural decisions. You will also support and mentor junior engineers, helping to drive best practices across the team.

Key Responsibilities

Develop and maintain scalable, enterprise-grade applications

Build backend services and APIs using Java (Spring Boot or similar) and Node.js

Design and implement secure, high-performance RESTful APIs

Apply modern frontend practices including responsive design and component-based architecture

Collaborate with stakeholders to translate business requirements into technical solutions

Drive best practices in testing, code quality, CI/CD, and performance optimisation

Contribute to system architecture and technical design decisions

Mentor junior engineers and participate in code reviews

Work within Agile teams to deliver high-quality, maintainable solutions

About You

5+ years’ experience in software engineering with strong full-stack capability

Strong experience with Java (Spring Boot or similar)

Experience with Node.js and backend service development

Strong understanding of REST APIs, system design, and scalable architecture

Experience building secure, high-performance applications

Familiarity with testing frameworks and best practices

Experience working with Git and Agile methodologies

Strong communication skills and a collaborative approach

Discretionary bonus

Day off for your birthday

Health insurance

Life assurance

Pension

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